New evidence shows that, far beyond Pluto, there may exist a hypothetical planet referred to as Planet X or Planet Nine.

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

In a discovery that's fit for a movie, Northwestern University astronomers have directly imaged a Tatooine-like exoplanet, orbiting two suns. While obtaining an image of a planet beyond our solar ...

Earth is the only life-supporting planet in our Solar System. Until now. Today, we're bringing Kepler 22-b into our planetary ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the Solar System planets interior. The ...

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

Earth has the perfect combination of a livable atmosphere and a protective magnetic field that prevents the Sun's harmful radiation and radioactive solar winds from damaging us, allowing us to live on ...

New research shows how the star's powerful outbursts could help scientists assess which worlds might support life.

Researchers studied the data closely and suggested a few possible ideas about the planet’s atmosphere and surface.

The RISTRETTO project, dedicated to observing Proxima b –the closest exoplanet to the Solar System — is reaching a new milestone: several key components of this high-precision spectrograph have been ...